Home / 20,465,512,656.80-30,698,268,985.20-4,955,938,512.80

Finding the Fourth Proportional to 20,465,512,656.80, 30,698,268,985.20 and 4,955,938,512.80

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Solution

The fourth proportional to 20,465,512,656.80, 30,698,268,985.20 and 4,955,938,512.80 is: 7,433,907,769.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,465,512,656.80 : 30,698,268,985.20 = 4,955,938,512.80 : x
  2. Step 2: Convert to fraction form
    20,465,512,656.80/30,698,268,985.20 = 4,955,938,512.80/x
  3. Step 3: Cross multiply
    20,465,512,656.80x = 30,698,268,985.20 × 4,955,938,512.80
  4. Step 4: Simplify right side
    20,465,512,656.80x = 152,138,733,540,046,471,168
  5. Step 5: Solve for x
    x = 152,138,733,540,046,471,168/20,465,512,656.80
  6. Step 6: Final answer
    x = 7,433,907,769.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.